Glad you posted and bumped up the thread!
If there was no DNA on/in Leah, maybe she was assaulted with an object, or the killer was drunk or something and could not complete the rape? speculation, imo.
2008 rbbm.
Lora Sousa knows that someone remembers a lot about a hot August night in 1990.
www.thestar.com
"No matter how insignificant a piece of information may appear, it may lead us to the clues we need," said Pritchard, adding, "Nothing is insignificant."
In addition to their renewed focus on the murder, Pritchard said new
forensic testing capabilities are also offering police an opportunity to test trace amounts of evidence left at the scene a long time ago.
Although traditional nuclear DNA might not be available, he said, mitochondrial DNA – a very small yet prominent organelle within a cell – is now capable of being tested for clues to its owner. Recently, a sample of the mitochondrial DNA was sent to a laboratory in Pennsylvania for additional testing.''